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https://issues.apache.org/jira/browse/HTRACE-220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14643769#comment-14643769
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Colin Patrick McCabe commented on HTRACE-220:
---------------------------------------------
This issue only affects command-line options passed into htraced or the htrace
tool via the command-line. The issue is basically that we translate {{-Dfoo=}}
into {{-Dfoo=true}}. This translation was done to make boolean configuration
variables work better. But it effectively prevents setting {{log.path}} to the
empty string, needed to see log output on stdout.
This patch fixes it to set foo to the empty string when it sees {{-Dfoo=}}. We
continue to translate {{-Dfoo}} (no equals sign on the end) to {{-Dfoo=true}}
because this is good for boolean configuration values. I also added a new unit
test.
> htraced: should be able to set log.path to the empty string via "-Dlog.path="
> on the command line
> -------------------------------------------------------------------------------------------------
>
> Key: HTRACE-220
> URL: https://issues.apache.org/jira/browse/HTRACE-220
> Project: HTrace
> Issue Type: Bug
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HTRACE-220.001.patch
>
>
> htraced: should be able to set {{log.path}} to the empty string via
> "-Dlog.path=" on the command line
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